FIELD: automobile production.
SUBSTANCE: invention pertains to vehicle tyre protectors. Tyre tread for pneumatic tyre contains raised pattern that consists of many raised elements in a form of blocks and/or salient angles, limited by grooves. Many of raised elements are equipped with at least one notch oriented along some average direction. The direction is defined as angle between right line passing through the ends of this notch at running surface and transverse direction of tyre tread. Each notch is limited by walls made of rubber mixture and contains at least two areas, average orientation of which, measured in relation to transverse direction, differs from average orientation of this notch. At any rate, some of the said areas with orientation that differs from average direction of this notch have at least one projection that locally decreases the width of this notch by 50% of its maximum width.
EFFECT: improvement of tyre tread traction.
9 cl, 6 dwg
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